parse metadata on the server side

htdocs/openwebrx.js

@@ -1309,13 +1309,7 @@ function on_ws_recv(evt)
     }
 }
 
-function update_metadata(stringData) {
-    var meta = {};
-    stringData.split(";").forEach(function(s) {
-        var item = s.split(":");
-        meta[item[0]] = item[1];
-    });
-
+function update_metadata(meta) {
     var update = function(_, el) {
         el.innerHTML = "";
     };

owrx/meta.py

@@ -0,0 +1,7 @@
+class MetaParser(object):
+    def __init__(self, handler):
+        self.handler = handler
+    def parse(self, meta):
+        fields = meta.split(";")
+        dict = {v[0] : "".join(v[1:]) for v in map(lambda x: x.split(":"), fields)}
+        self.handler.write_metadata(dict)

owrx/source.py

@@ -1,6 +1,7 @@
 import subprocess
 from owrx.config import PropertyManager
 from owrx.feature import FeatureDetector, UnknownFeatureException
+from owrx.meta import MetaParser
 import threading
 import csdr
 import time
@@ -334,6 +335,7 @@ class DspManager(csdr.output):
     def __init__(self, handler, sdrSource):
         self.handler = handler
         self.sdrSource = sdrSource
+        self.metaParser = MetaParser(self.handler)
 
         self.localProps = self.sdrSource.getProps().collect(
             "audio_compression", "fft_compression", "digimodes_fft_size", "csdr_dynamic_bufsize",
@@ -403,7 +405,7 @@ class DspManager(csdr.output):
             "smeter": self.handler.write_s_meter_level,
             "secondary_fft": self.handler.write_secondary_fft,
             "secondary_demod": self.handler.write_secondary_demod,
-            "meta": self.handler.write_metadata
+            "meta": self.metaParser.parse
         }
         write = writers[t]